docs: def action_ipset(reader, *args):
      """Show the set of IPs seen in Flow Log records."""
      ip_set = set()
      for record in reader:
          if record.log_status in (SKIPDATA, NODATA):
              continue
          ip_set.add(record.srcaddr)
          ip_set.add(record.dstaddr)
  
      for ip in ip_set:
          print(ip)